RT Journal Article SR Electronic T1 Introduction JF American Society for Clinical Laboratory Science JO Clin Lab Sci FD American Society of Chemistry and Laboratory Science SP 223 OP 225 DO 10.29074/ascls.22.4.223 VO 22 IS 4 A1 Foley, Kevin F. YR 2009 UL http://hwmaint.clsjournal.ascls.org/content/22/4/223.abstract AB